In a statement on Monday, Apple sneakers online sale said in the period between December 1, 2012 and May 31, 2013, US law enforcement had requested customer information up to 5000 times, related to between 9000 and 10,000 accounts or devices.Most commonly, these requests were related to criminal investigations, searches for missing children or patients with Alzheimers disease, or hoping to prevent a suicide, Apple said.But the iPhone maker said it works vigorously to protect the privacy of its users and only provides information by court order.Apple also specified certain types of communications are protected, such as FaceTime and iMessage conversations, which are protected by endtoend encryption so no one but the sender and receiver can see or read them.Apple cannot decrypt that data, the statement said.Similarly, we do not store data related to customers location, Map searches or Siri requests in any identifiable form.Facebook said on Friday it had received between 9000 and 10,000 requests for u sneakers online sale ser data affecting 18,000 to 19,000 accounts during the second half of last year, while Microsoft said it had received 6,000 to 7,000 requests affecting 31,000 to 32,000 accounts during the same period.Both firms said they were prohibited by law from listing a separate tally for securityrelated requests or secret court orders concerning terror probes.There has been a public backlash since government contractor Edwar sneakers online sale d Snowden leaked details of PRISM, a vast program that saw nine companies turn over user data to the US National Security Agency.Leaked details of the program have reignited debate over the tradeoffs between privacy and security more than a decade after the September 11 attacks. sneakers online sale